MFC下CString与string转换，打开保存图片

 

MFC下CString与string转换：

https://www.cnblogs.com/HappyEDay/p/7016162.html

https://www.cnblogs.com/bluestorm/p/3168720.html

利用OPENCV和MFC系统对话框打开和保存图片

https://www.cnblogs.com/delmorezhu/p/7910373.html